anvil navil avnil vanil nvail vnail anivl naivl ainvl ianvl niavl inavl avinl vainl aivnl iavnl vianl ivanl nvial vnial nival inval vinal ivnal anvli navli avnli vanli nvali vnali anlvi nalvi alnvi lanvi nlavi lnavi avlni valni alvni lavni vlani lvani nvlai vnlai nlvai lnvai vlnai lvnai anilv nailv ainlv ianlv nialv inalv anliv naliv alniv laniv nlaiv lnaiv ailnv ialnv alinv lainv ilanv lianv nilav inlav nliav lniav ilnav linav aviln vailn aivln iavln vialn ivaln avlin valin alvin lavin vlain lvain ailvn ialvn alivn laivn ilavn liavn vilan ivlan vlian lvian ilvan livan nvila vnila nivla invla vinla ivnla nvlia vnlia nlvia lnvia vlnia lvnia nilva inlva nliva lniva ilnva linva vilna ivlna vlina lvina ilvna livna
Note: these 'words' (valid or invalid) are all the permutations of the word anvil. These words are obtained by scrambling the letters in anvil.